MR, W. K. PARKER OK THE SKULL IN THE BATRACHIA. 
PLATE 6. 
Figures. 
Number of 
times 
magnified. 
1 (p. 45) 
Skull of Rana tigrina. —Adult female; 5^ inches long. 
Ceylon. Upper view. 
2 
2 
The same. Lower view. 
2 
3 
The same. Side view. 
2 
4 
The same. Hyo-branchials. Upper view. 
2 
5 
The same. Stapes and columella. Outer view .... 
4 
6 (p. 40) 
Skull of Rana gracilis. —Adult male; 1^ inch long. 
Ceylon. Upper view. 
6 f 
7 
The same. Lower view. 
6f 
8 
The same. Mandible. Outer view. 
Ai 
°3 
9 
The same. Hyo-branchials (half) . 
°3 
10 
The same. Stapes and columella. Outer view.... 
20 
11 (p. 41) 
Mandible of Rana cyanophlyctis (adult, see Plate 10). 
Outer view.. 
0— 
°3 
12 
The same. Stapes and columella. 
20 
